前言近年来，随着国际贸易和包装工业的发展，环境问题已引起世界各国的普遍关注，保护环境，积极开发符合环保要求的商品包装已成为人们的共识，因此我国包装工业必须改变观念，强化无污染意识，以适应各国对包装材料及包装废弃物提出的新标准和新法规而引起的新竞争，大... Preface In recent years, with the development of international trade and packaging industry, environmental issues have aroused the widespread concern of all countries in the world. It has become the consensus of people to protect the environment and actively develop commodity packaging that meets environmental protection requirements. Therefore, China’s packaging industry must change its concept and strengthen Pollution-free awareness, in order to meet the new standards and new regulations put forward by countries on packaging materials and packaging waste caused by the new competition, ...